putrescine

简明释义

英[pjuːˈtresiːn]美[pjʊˈtresɪn]

n. [有化] 腐胺

英英释义

单词用法

同义词

反义词

例句

1.Spermine was added extracellularly to the bath before anoxia and spermine, spermidine or putrescine was added extracellularly after reoxygenation.

分别在缺氧前给予精胺，缺氧-复氧后给予精胺、精脒、腐胺。

2.Spermine, spermidine, putrescine and tyramine seem to be essential constituents of beer because they were found in all or in almost all samples.

精胺，精胺，腐胺和酪胺似乎是必不可少的成分，因为它们的啤酒被发现在所有或几乎所有的样本。

3.Spermine was added extracellularly to the bath before anoxia and spermine, spermidine or putrescine was added extracellularly after reoxygenation.

分别在缺氧前给予精胺，缺氧-复氧后给予精胺、精脒、腐胺。

4.Any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria.

腐烂细菌反应形成的各种胺。

5.The research studied the effects of putrescine treatment on chilling injury of nectarine fruits during cold storage.

为了给油桃抗冷害技术的研究及减轻油桃贮藏期间冷害的发生提供参考。

6.The severer the condition of cerebral infarction, the higher the putrescine level and the lower the spermidine and spermine levels.

脑梗死急性期腐胺水平随病情加重显著升高，精脒、精胺水平随病情加重而下降。

7.Abstract : Polyamines(putrescine, spermidine, spermine) are growth factors in both prokaryote and eukaryote.

摘要 ：多胺（腐胺、精胺、亚精胺等）是原核生物和真核生物的生长因子。

8.Therefore it was suggested that tapping could stimulate the biosynthesis of polyamines mainly putrescine.

割胶促进排胶，也促进多胺的生物合成。

9.The market for synthetic putrescine and cadaverine is small, but devoted.

合成腐胺和尸胺，市场很小，但物有专用。

10.Abstract: Polyamines (putrescine, spermidine, spermine) are growth factors in both prokaryote and eukaryote.

摘要多胺(腐胺、精胺、亚精胺等)是原核生物和真核生物的生长因子。

11.The presence of putrescine 腐胺 in the air can be a sign of decaying animals nearby.

空气中存在 putrescine 腐胺 可能是附近动物腐烂的迹象。

12.In the laboratory, scientists measure putrescine 腐胺 levels to study the effects of decay on ecosystems.

在实验室中，科学家测量 putrescine 腐胺 水平，以研究腐烂对生态系统的影响。

13.Researchers found that high levels of putrescine 腐胺 can indicate spoilage in food products.

研究人员发现，高水平的 putrescine 腐胺 可能表明食品产品的变质。

14.Certain plants release putrescine 腐胺 as part of their response to stress.

某些植物在应对压力时释放 putrescine 腐胺。

15.During the decomposition of organic matter, putrescine 腐胺 is often produced as a byproduct.

在有机物分解过程中，putrescine 腐胺 通常作为副产品产生。

作文

In the realm of biochemistry, certain compounds play crucial roles in various biological processes. One such compound is putrescine, which is a type of polyamine that is produced during the breakdown of amino acids. This organic compound, with the chemical formula C4H12N2, is often associated with the process of decay, as its name suggests. The term putrescine comes from the Latin word 'putrescere', meaning 'to rot'. This connection to decay is not merely linguistic; it reflects the compound's presence in decomposing tissues and its role in the natural cycle of life and death.Despite its somewhat unpleasant association, putrescine is essential for cellular functions. It is involved in cell growth, differentiation, and the regulation of various physiological processes. In plants, putrescine is known to contribute to stress responses, helping them cope with adverse environmental conditions. For instance, when plants face drought or salinity, they can produce higher levels of putrescine, which aids in protecting their cells from damage.In humans and other animals, putrescine is synthesized in the body and has been linked to several important biological functions. It is a precursor to other polyamines, such as spermidine and spermine, which are vital for cell proliferation and stabilization of cellular structures. Research has shown that putrescine plays a role in wound healing, as it promotes cell division and tissue repair. Furthermore, it has been studied for its potential implications in cancer research, as abnormal levels of putrescine may be indicative of certain types of tumors.However, the presence of putrescine in decaying organic matter is what often captures the attention of the general public. Its strong odor is typically associated with rotting flesh, making it a compound that many would prefer to avoid. This negative connotation has led to putrescine being viewed primarily as a foul-smelling byproduct rather than a vital biochemical player. Yet, it is important to recognize that without compounds like putrescine, the ecological balance would be disrupted. Decomposition is a necessary process for nutrient cycling, and putrescine is a key player in this intricate web of life.In conclusion, while putrescine may evoke images of decay and unpleasant odors, it is far more than just a compound associated with rot. It serves significant functions in both plant and animal biology, contributing to growth, healing, and environmental adaptation. Understanding putrescine allows us to appreciate the complexity of biochemical processes and the essential roles that seemingly undesirable substances play in maintaining the balance of life. As we continue to explore the depths of biochemistry, it becomes clear that even the most unappealing compounds can have profound importance in the tapestry of life.

在生物化学领域，某些化合物在各种生物过程中发挥着至关重要的作用。其中一个化合物是尸胺，这是一种多胺，在氨基酸分解过程中产生。这个有机化合物的化学式为C4H12N2，通常与腐烂过程相关，因为它的名字所暗示的那样。术语尸胺来源于拉丁词'putrescere'，意为'腐烂'。这种与腐烂的联系不仅仅是语言上的；它反映了该化合物在腐烂组织中的存在及其在生命和死亡自然循环中的作用。尽管尸胺与腐败的某种不愉快的关联，但它对细胞功能是必不可少的。它参与细胞生长、分化和各种生理过程的调节。在植物中，尸胺被认为有助于应对压力，帮助植物应对不利的环境条件。例如，当植物面临干旱或盐碱时，它们可以产生更高水平的尸胺，这有助于保护其细胞免受损害。在人类和其他动物体内，尸胺在体内合成，并与几种重要的生物功能有关。它是其他多胺（如亚精胺和精胺）的前体，这些多胺对细胞增殖和细胞结构的稳定至关重要。研究表明，尸胺在伤口愈合中发挥作用，因为它促进细胞分裂和组织修复。此外，它还因其在癌症研究中的潜在影响而受到关注，因为尸胺的异常水平可能表明某些类型的肿瘤。然而，尸胺在腐烂有机物质中的存在往往引起公众的注意。它的强烈气味通常与腐肉相关，使得许多人更愿意避免这种化合物。这种负面含义使得尸胺被视为一种令人厌恶的副产品，而不是一种重要的生化参与者。然而，重要的是要认识到，如果没有像尸胺这样的化合物，生态平衡将会被打破。分解是养分循环所必需的过程，而尸胺是这一复杂生命网络中的关键参与者。总之，虽然尸胺可能会引发腐烂和不愉快气味的联想，但它远不止是与腐烂相关的化合物。它在植物和动物生物中发挥着重要作用，有助于生长、愈合和环境适应。理解尸胺使我们能够欣赏生化过程的复杂性，以及看似不受欢迎的物质在维持生命平衡中所发挥的重要作用。随着我们继续探索生物化学的深度，变得清晰的是，即使是最令人不快的化合物也能在生命的织锦中具有深远的重要性。